CN204512945U - A kind of LNG vaporizing station - Google Patents
A kind of LNG vaporizing station Download PDFInfo
- Publication number
- CN204512945U CN204512945U CN201520205304.1U CN201520205304U CN204512945U CN 204512945 U CN204512945 U CN 204512945U CN 201520205304 U CN201520205304 U CN 201520205304U CN 204512945 U CN204512945 U CN 204512945U
- Authority
- CN
- China
- Prior art keywords
- skid
- storage tank
- gauge
- pressure regulation
- output terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008016 vaporization Effects 0.000 title claims abstract description 23
- 238000002309 gasification Methods 0.000 claims abstract description 23
- 239000003205 fragrance Substances 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 18
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000003949 liquefied natural gas Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 238000007726 management method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- -1 meanwhile Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of LNG vaporizing station, comprise storage tank, storage tank supercharging skid, gasification skid, pressure regulation skid and metering add smelly skid, storage tank supercharging skid, gasification skid is connected with storage tank respectively, pry regulator load is connected to gasification skid, metering adds smelly skid and is connected to pressure regulation skid output terminal, metering adds smelly skid and comprises oil hydraulic pump, first-class gauge, second gauge, proportional electromagnetic valve and add smelly controller for what control odorant amount, hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid, first-class gauge is arranged at the output terminal of pressure regulation skid, second gauge is arranged at hydraulic pressure delivery side of pump, proportional electromagnetic valve is connected in series with in the output pipe of oil hydraulic pump, first-class gauge, second gauge and proportional electromagnetic valve respectively with add smelly controller and be electrically connected.This vaporizing station can control the injection amount of odorant accurately, makes the concentration of odorant in rock gas remain on reference value accurately.
Description
Technical field
The utility model relates to LNG Liquefied natural gas field, particularly relates to a kind of LNG vaporizing station.
Background technique
LNG is the abbreviation of LNG Liquefied natural gas English Liquefied Natural Gas.After natural gas via purified treatment (impurity such as emergence work, sulphide, hydrocarbon, water), deep cooling is to-162 DEG C at ambient pressure, by gaseous state liquefy, be called LNG Liquefied natural gas, the volume flow rate of LNG Liquefied natural gas is with amount gaseous natural gas volume 1/625, and weight is about 45% of consubstantiality ponding.
Rock gas itself is colorless and odorless, inflammable and explosive, in use, just be difficult to be found once leakage, and can the accidents such as violent explosion be caused, in order to Timeliness coverage is revealed, existing way is in rock gas, add stink agent of warning, and conventional has tetrahydrothiophene (being abbreviated as THT).But in the prior art, only combustion gas is added smelly by adding smelly pump (plunger pump) after pressure regulation, therefore, the concentration controlling tetrahydrothiophene in rock gas is difficult to when adding smelly, if odorizing amount is excessive, namely the cost that gas supply is unnecessary is added, cause fund to waste, meanwhile, odorant can produce excessive sulfur-bearing thing after combustion, increase the potential risk of environmental pollution, if odorizing amount deficiency will cause can not being found during gas leakage, do not have the effect of warning, bring hidden danger to gas supply and use, therefore, need to improve existing LNG vaporizing station.
Model utility content
The technical problems to be solved in the utility model, a kind of LNG vaporizing station is provided, add smelly skid to the metering of vaporizing station to improve, use traffic meter detects the gas output of pressure regulation skid, and the injection amount of usage ratio electromagnetic valve odorant, thus the concentration of odorant in rock gas is made to remain on reference value accurately.
The utility model is achieved in that
A kind of LNG vaporizing station, comprise storage tank, storage tank supercharging skid, gasification skid, pressure regulation skid and metering add smelly skid, described storage tank is horizontal double-metal layer tank body, described storage tank supercharging skid, gasification skid is connected with storage tank respectively, described pry regulator load is connected to gasification skid, the output terminal of pressure regulation skid connects pipeline network of fuel gas in city, described metering adds smelly skid and is connected to pressure regulation skid output terminal, described metering adds smelly skid and comprises oil hydraulic pump, first-class gauge, second gauge, proportional electromagnetic valve and add smelly controller for what control odorant amount, hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid, described first-class gauge is arranged at the output terminal of pressure regulation skid, second gauge is arranged at hydraulic pressure delivery side of pump, proportional electromagnetic valve is connected in series with in the output pipe of oil hydraulic pump, wherein, first-class gauge, second gauge and proportional electromagnetic valve respectively with add smelly controller and be electrically connected.
In order to improve the heat-insulating property of storage tank, described storage tank comprises inner core and urceolus, is vacuum sandwich, is filled with thermal-protective material in vacuum sandwich between described inner core and urceolus.
In order to realize storage tank monitoring and management, described storage tank is provided with temperature transmitter, pressure transmitter and fluid level transmitter.The utility model adopts the temperature of transmitters sense storage tank, liquid level and force value, not only has very high testing precision, is also convenient to staff's acquisition testing data simultaneously.
In order to improve the monitoring and management efficiency of storage tank, realize intelligent management, this vaporizing station also comprises data acquisition unit, and described data acquisition unit is electrically connected with temperature transmitter, pressure transmitter and fluid level transmitter respectively.Therefore, automatically can be gathered the detection data of each transmitter by described data acquisition unit, greatly reduce the workload of staff.
In order to realize remote monitoring and the management of storage tank, described vaporizing station also comprises central server, and described data acquisition unit is connected with central server radio communication.Therefore, each detection data becoming device that can will be collected by data acquisition unit, are sent to central server by communication, thus the remote monitoring realized storage tank and management.
Wherein, described hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid by Stainless Steel Tube.
The utility model tool has the following advantages: the utility model LNG vaporizing station comprises storage tank, storage tank supercharging skid, gasification skid, pressure regulation skid and metering and adds smelly skid, liquified natural gas can be gasificated into the gaseous gas of city gas requirement, and add smelly skid comprise oil hydraulic pump, add smelly controller and with add smelly controller and be connected first-class gauge, second gauge and proportional electromagnetic valve, thus the injection amount of odorant can be controlled accurately, thus the concentration of odorant in rock gas is made to remain on reference value accurately.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model LNG vaporizing station;
Fig. 2 is the concrete connection diagram that in the utility model, metering adds smelly skid;
Fig. 3 is storage tank supervisory device composition connection diagram in the utility model.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
Refer to Fig. 1 and Fig. 2, a kind of LNG vaporizing station, comprise storage tank, storage tank supercharging skid, gasification skid, pressure regulation skid and metering add smelly skid, described storage tank stores low temperature liquid rock gas, described storage tank supercharging skid, gasification skid is connected with storage tank respectively, described pry regulator load is connected to gasification skid, the output terminal of pressure regulation skid connects pipeline network of fuel gas in city, described metering adds smelly skid and is connected to pressure regulation skid output terminal, storage tank supercharging skid is for improving the internal pressure of storage tank, to realize handling and the pumping of LNG, described gasification skid is used for converting LNG Liquefied natural gas to gasification rock gas, described pressure regulation skid is for adjusting the pressure of gasification rock gas, make the pressure of itself and city natural gas pipe network suitable, describedly add smelly skid for injecting odorant for warning in gasification rock gas.Wherein, described storage tank is horizontal double-metal layer tank body, comprise inner core and urceolus, be vacuum sandwich between described inner core and urceolus, be filled with thermal-protective material in vacuum sandwich, inner core is Q345R material, its yield strength is 340MPa level, have good comprehensive mechanical property and technology capability, urceolus is general Universal Steel Plate, and described thermal-protective material is respectively glass fiber mat and pearl rock stratum from the inside to the outside.
In order to solve in prior art, add smelly increasing amount and control inaccurate problem, describedly add smelly skid and comprise oil hydraulic pump, first-class gauge, second gauge, proportional electromagnetic valve and add smelly controller for what control odorant amount, described hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid by Stainless Steel Tube, described oil hydraulic pump is used for pumping into odorant tetrahydrothiophene toward pressure regulation skid output terminal, described first-class gauge is arranged at the output terminal of pressure regulation skid, for detecting the real-time output quantity (i.e. flow) of pressure regulation skid output terminal gasification rock gas, described second gauge is arranged at hydraulic pressure delivery side of pump, for detecting the dosage of the odorant that oil hydraulic pump pumps into, described proportional electromagnetic valve is connected in series with in the output pipe of oil hydraulic pump, for the output bore of hydraulic control pump output terminal, what namely control odorant by the angle of flow of resize ratio solenoid valve pumps into speed, wherein, first-class gauge, second gauge and proportional electromagnetic valve respectively with add smelly controller and be electrically connected, therefore, the actual amount of pumping into of odorant can be controlled according to the real-time output quantity of gasification rock gas, thus the odorizing agent concentration protecting the rock gas in the webmaster of city remains in standard value range.
As seen from the above description, LNG Liquefied natural gas in storage tank not only can be changed into the gasification rock gas for city gas by the utility model LNG vaporizing station, and the odorant in gasification rock gas can be made to remain in standard value range, efficiently solve odorant in prior art and pump into the problem controlling to be forbidden.
In the present embodiment, for improving the monitoring management to storage tank, described storage tank is provided with temperature transmitter, pressure transmitter and fluid level transmitter.Be specially, the bottom of described storage tank is provided with nozzle for thermometer and nozzle for pressure gauge, one end of storage tank is provided with level instrumentation nozzle, described temperature transmitter is connected to temperature agent adapter, pressure transmitter is connected to nozzle for pressure gauge, fluid level transmitter is connected to level instrumentation nozzle, can be obtained each status data such as temperature, pressure, liquid level of storage tank by above-mentioned each transmitter accurately.
Refer to Fig. 3, this LNG vaporizing station also comprises storage tank supervisory device, comprise data acquisition unit and central server, described data acquisition unit is connected with central server radio communication, described data acquisition unit is electrically connected with temperature transmitter, pressure transmitter and fluid level transmitter respectively, and described data acquisition unit can the tank states data that arrive of the above-mentioned each transmitters sense of Real-time Obtaining.
Described data acquisition unit is made up of power subsystem, data acquisition unit and transmission unit, described power subsystem is electrically connected with wireless communication unit and data acquisition unit respectively, described data acquisition unit is electrically connected with fluid level transmitter, pressure transmitter, temperature transmitter and wireless communication unit respectively, and described wireless communication unit is connected with central server radio communication.Wherein, each unit that power subsystem is data acquisition unit and each transmitter, flowmeter provide operating current, described data acquisition unit gives wireless communication unit for the detection Data Concurrent gathering each transmitter and flowmeter, described wireless communication unit is GPRS wireless communication module, and the data received then are sent to the central server being arranged at far-end by wireless communication unit by wireless transmission method.
LNG Liquefied natural gas in storage tank not only can be changed into the gasification rock gas for city gas by this LNG vaporizing station, and the odorant in gasification rock gas can be made to remain in standard value range, efficiently solve odorant in prior art and pump into the problem controlling to be forbidden.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent shapes or Structural Transformation; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a LNG vaporizing station, comprise storage tank, storage tank supercharging skid, gasification skid, pressure regulation skid and metering add smelly skid, described storage tank is horizontal double-metal layer tank body, described storage tank supercharging skid, gasification skid is connected with storage tank respectively, described pry regulator load is connected to gasification skid, the output terminal of pressure regulation skid connects gas ductwork, described metering adds smelly skid and is connected to pressure regulation skid output terminal, it is characterized in that, described metering adds smelly skid and comprises oil hydraulic pump, first-class gauge, second gauge, proportional electromagnetic valve and add smelly controller for what control odorant amount, hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid, described first-class gauge is arranged at the output terminal of pressure regulation skid, second gauge is arranged at hydraulic pressure delivery side of pump, proportional electromagnetic valve is connected in series with in the output pipe of oil hydraulic pump, wherein, first-class gauge, second gauge and proportional electromagnetic valve respectively with add smelly controller and be electrically connected.
2. LNG vaporizing station according to claim 1, is characterized in that, described storage tank comprises inner core and urceolus, is vacuum sandwich, is filled with thermal-protective material in vacuum sandwich between described inner core and urceolus.
3. LNG vaporizing station according to claim 1, is characterized in that, described storage tank is provided with temperature transmitter, pressure transmitter and fluid level transmitter.
4. LNG vaporizing station according to claim 3, is characterized in that, also comprise data acquisition unit, and described data acquisition unit is electrically connected with temperature transmitter, pressure transmitter and fluid level transmitter respectively.
5. LNG vaporizing station according to claim 4, is characterized in that, also comprise central server, and described data acquisition unit is connected with central server radio communication.
6. LNG vaporizing station according to claim 1, is characterized in that, described hydraulic pressure delivery side of pump is connected to the output terminal of pressure regulation skid by Stainless Steel Tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205304.1U CN204512945U (en) | 2015-04-08 | 2015-04-08 | A kind of LNG vaporizing station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205304.1U CN204512945U (en) | 2015-04-08 | 2015-04-08 | A kind of LNG vaporizing station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512945U true CN204512945U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520205304.1U Expired - Fee Related CN204512945U (en) | 2015-04-08 | 2015-04-08 | A kind of LNG vaporizing station |
Country Status (1)
| Country | Link |
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| CN (1) | CN204512945U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764413A (en) * | 2017-01-20 | 2017-05-31 | 佛山市汽车燃气有限公司 | A kind of gas station of the emergent gasification function of band |
| CN108506720A (en) * | 2018-04-24 | 2018-09-07 | 安徽巨力能源有限公司 | A kind of safe and efficient LNG supply systems |
| CN109460562A (en) * | 2018-07-25 | 2019-03-12 | 贵州理工学院 | A kind of appraisal procedure of satellite explosion disintegration chip distribution characteristic |
| CN109519709A (en) * | 2018-11-30 | 2019-03-26 | 湖北三江航天江北机械工程有限公司 | LNG additive concentration control system and method |
| CN117432946A (en) * | 2023-12-19 | 2024-01-23 | 上海叁零肆零科技有限公司 | Simulation-combined gradient distributed town gas intelligent odorizing method and system |
-
2015
- 2015-04-08 CN CN201520205304.1U patent/CN204512945U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764413A (en) * | 2017-01-20 | 2017-05-31 | 佛山市汽车燃气有限公司 | A kind of gas station of the emergent gasification function of band |
| CN108506720A (en) * | 2018-04-24 | 2018-09-07 | 安徽巨力能源有限公司 | A kind of safe and efficient LNG supply systems |
| CN109460562A (en) * | 2018-07-25 | 2019-03-12 | 贵州理工学院 | A kind of appraisal procedure of satellite explosion disintegration chip distribution characteristic |
| CN109460562B (en) * | 2018-07-25 | 2023-01-24 | 贵州理工学院 | Method for evaluating distribution characteristics of fragments disintegrated by satellite explosion |
| CN109519709A (en) * | 2018-11-30 | 2019-03-26 | 湖北三江航天江北机械工程有限公司 | LNG additive concentration control system and method |
| CN117432946A (en) * | 2023-12-19 | 2024-01-23 | 上海叁零肆零科技有限公司 | Simulation-combined gradient distributed town gas intelligent odorizing method and system |
| CN117432946B (en) * | 2023-12-19 | 2024-03-08 | 上海叁零肆零科技有限公司 | Simulation-combined gradient distributed town gas intelligent odorizing method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180408 |